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Finding the Fourth Proportional to 24,432.39, 33,687.14 and 20,648.88

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Solution

The fourth proportional to 24,432.39, 33,687.14 and 20,648.88 is: 28,470.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,432.39 : 33,687.14 = 20,648.88 : x
  2. Step 2: Convert to fraction form
    24,432.39/33,687.14 = 20,648.88/x
  3. Step 3: Cross multiply
    24,432.39x = 33,687.14 × 20,648.88
  4. Step 4: Simplify right side
    24,432.39x = 695,601,711.40
  5. Step 5: Solve for x
    x = 695,601,711.40/24,432.39
  6. Step 6: Final answer
    x = 28,470.47

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.